47,000 BTUs Patio heater, provides you with a steady and comfortable warmth to make you feel warm in the autumn and cold winter, so that you and your family can enjoy nice outdoor time and take in the beautiful scenery. Portable patio heater is not only suitable for the party of 10-20 people on patio, but also a good idea for many outdoor activities such as garden, yard, patio, deck and so on.There is a door in which you can put the 20lb（not included)propane tank easily.